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Datasheet Linear Technology LTC3371IFE#TRPBF

ManufacturerLinear Technology
Part NumberLTC3371IFE#TRPBF

4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset


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    LTC3371 - 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset
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    4-Channel 8A Configurable
    Buck DC/DCs with Watchdog
    and Power-On Reset
    DESCRIPTION FEATURES 8 × 1A Buck Power Stages Configurable as 2, 3 or 4
    Output Channels
    n 8 Unique Output Configurations (1A to 4A Per Channel)
    n Independent V Supplies for Each DC/DC (2.25V to 5.5V)
    n Low Total No Load Supply Current: n 15µA In Shutdown (All Channels Off) n 68µA One Channel Active in Burst Mode® Operation n 18µA Per Additional Channel
    n Precision Enable Pin Thresholds for Autonomous
    n 1MHz to 3MHz RT Programmable Frequency
    (2MHz Default) or PLL Synchronizatio Temp Monitor Indicates Die Temperature
    n CT Programmed Watchdog Timer
    n Independent RST Pins Indicate Buck in Regulatio Thermally Enhanced 38-Lead 5mm × 7mm QFN and
    TSSOP Packages
    n APPLICATIONS General Purpose Multichannel Power Supplies:
    Automotive, Industrial, Distributed Power Systems n The LTC®3371 is a highly flexible multioutput power supply
    IC. The device includes four synchronous buck converters, configured to share eight 1A power stages, each of
    which is powered from independent 2.25V to 5.5V inputs.
    The DC/DCs are assigned to one of eight possible power
    configurations via pin programmable C1-C3 pins. The ...



Package CodeFE


ArchitectureConstant Frequency Current Mode
Demo BoardsDC2182A
Export Controlno yes/no
FeaturesBurst Mode, Resistor Set Frequency, External Synchronization, Temperature Monitor, Watchdog Timer
Frequency2000 kHz
Frequency Adjust Range1MHz - 3MHz
Frequency Sync Range1MHz - 3MHz
Integrated Inductorno yes/no
Ishutdown15 µA
Isupply0.05 mA
Monolithicyes yes/no
Number of Outputs4
Operating Temperature Range-40 to 85 °C
Output Current2 A
Output Current 22 A
Output Current 32 A
Polyphaseno yes/no
Switch Current4.6 A
Switch Current 24.6 A
Switch Current 34.6 A
Synchronousyes yes/no
Topology 1Buck
Topology 2Buck
Topology 3Buck
Vin Max5.5 V
Vin Min2.7 V
Vout Max5.45 V
Vout Max 25.45 V
Vout Max 35.45 V
Vout Maximum0.99Vin
Vout Min0.8 V
Vout Min 20.8 V
Vout Min 30.8 V
Vref Accuracy Over Temp2.5 %

Eco Plan


Moldel Line

Series: LTC3371 (12)

Manufacturer's Classification

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators

Other Names:


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